3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private int $foo; private int $bar = 1; public function propertyInitialized($name): bool { return property_exists($this, $name) && isset($this->$name); } } $foo = new foo; var_dump($foo->propertyInitialized('foo'), $foo->propertyInitialized('bar'), $foo->propertyInitialized('doesNotExist'));
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(false) bool(true) bool(false)
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'int' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/pjZJb on line 4
Process exited with code 255.
preferences:
113.86 ms | 1466 KiB | 4 Q